/*
 * create:2016年4月7日 上午9:20:03
 * author:wangds  
 */
package com.cxkj.shop.utils;

import javax.servlet.http.HttpServletRequest;

/**
 * .
 * 
 * @author wangds
 *
 */
public class IpUtils {

  public static String getIpAddr(HttpServletRequest request) {
    String ip = request.getHeader("x-forwarded-for");
    if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
      ip = request.getHeader("Proxy-Client-IP");
    }
    if (ip == null || ip.length() == 0 || "unknow".equalsIgnoreCase(ip)) {
      ip = request.getHeader("WL-Proxy-Client-IP");
    }
    if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
      ip = request.getRemoteAddr();
    }
    return ip;
  }
}
